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SmtpDeliveryFormat Enumeration

.NET Framework 4.5

The delivery format to use for sending outgoing e-mail using the Simple Mail Transport Protocol (SMTP).

Namespace:  System.Net.Mail
Assembly:  System (in System.dll)

public enum SmtpDeliveryFormat

Member nameDescription
InternationalA delivery format where non-ASCII characters in the envelope and header fields used in the Simple Mail Transport Protocol (SMTP) for mail messages are encoded with UTF-8 characters. The extensions to support international e-mail are defined in IETF RFC 6530, 6531, and 6532.
SevenBitA delivery format using 7-bit ASCII. The traditional delivery format used in the Simple Mail Transport Protocol (SMTP) for mail messages.

.NET Framework

Supported in: 4.5

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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